<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i v-if="!collapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="logo">后台管理系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 消息中心 -->
                <div class="btn-bell">
                    <!--                    <el-tooltip-->
                    <!--                        effect="dark"-->
                    <!--                        :content="message?`有${message}条未读消息`:`消息中心`"-->
                    <!--                        placement="bottom"-->
                    <!--                    >-->
                    <el-tooltip
                        effect="dark"
                        :content="message?`有${message}条未读消息`:`消息中心`"
                        placement="bottom"
                    >
                        <router-link to="/tabs">
                            <i class="el-icon-bell"></i>
                        </router-link>
                    </el-tooltip>
                    <span class="btn-bell-badge" v-if="message"></span>
                </div>
                <!-- 用户头像 -->
                <div class="user-avator">
                    <img src="../../assets/img/img.jpg" />
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{username}}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <a href="https://github.com/lin-xin/vue-manage-system" target="_blank">
                            <el-dropdown-item>项目仓库</el-dropdown-item>
                        </a>
                        <el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
            </div>
        </div>
    </div>
</template>
<script>
import bus from '../common/bus';
import dashboard from '../page/Dashboard';
// 导入store
import store from '../../VueX/store.js';

export default {
    data() {
        return {
            collapse: false,
            fullscreen: false,
            name: 'linxin',
            message: 0
        };
    },
    dashboard,
    store,
    computed: {
        username() {
            let username = localStorage.getItem('ms_username');
            return username ? username : this.name;
        }
    },
    methods: {
        getMessage(){
            console.log("Header中created执行================获得未读条数?????????????????????")
            // 如果直接点击的该页面，则徐亚调用header中的created
            let _this = this;
            var params = new URLSearchParams();
            params.append("status",'未读');
            // dashboard.methods.reload();
            this.$axios.post('business/getBusinessApply',params)
                .then(
                    function(response) {
                        // console.log("response:"+response);
                        // for (let i = 0; i < response.data.length; i++) {
                        //     store.commit('changeMessage',888);
                        store.commit('changeMessage', response.data);
                        // }
                        _this.message = store.state.applies.length;
                        console.log('this.message:' + _this.message);
                        // alert("_this.message:"+_this.message);

                        // console.log("已获取未读消息:"+response.data);
                        // alert(_this.message);
                        // console.log("store.state:"+store.state.applies[0].id);
                    }
                ).catch();
        },
        getUnread:function(){
            // alert(1);
            let _this = this;
            let params = new URLSearchParams();
            params.append('status','未读');
            this.$axios.post('business/getBusinessApply',params,{})
                .then(
                    function(response) {
                        store.commit('changeMessage',response.data);
                        _this.unread = response.data;
                        if (_this.unread.length === 0){
                            _this.readAll = true;
                        }else{
                            _this.readAll = false;
                        }


                    }
                ).catch(function (error) {
                console.log("出错："+error);
            })
        },
        connect: function() {
            var _this = this;
            //连接rabbitMQ
            var ws = new WebSocket('ws://111.229.146.83:15674/ws');
            var client = Stomp.over(ws);
            client.heartbeat.outgoing = 1;
            client.heartbeat.incoming = 1;
            // eslint-disable-next-line no-unused-vars
            var onFailed = function(frame) {
                console.log('MQ Failed: ' + frame);
            };
            var onConnect = function(x) {
                var that = _this;
                //连接到交换机
                const topic = '/exchange/apply';
                client.subscribe(topic, function(frame) {
                    var _that = that;
                    console.log('MQ msg=>' + frame.body);
                    console.log("frame.body===============");
                    console.log(frame.body);
                    //发请求取未读
                    _that.getUnread();
                    _that.getMessage();
                    if (frame.body!='1'){
                        // 接收消息处理
                        _that.$message({
                            message:  frame.body,
                            type: 'success'
                        });
                    }
                })
            }
            // eslint-disable-next-line camelcase,no-unused-vars
            var onError = function() {
                console.log('error');
            }
            client.connect('ali', '123456', onConnect, onError, '/');
        },
        // 用户名下拉菜单选择事件
        handleCommand(command) {
            if (command == 'loginout') {
                localStorage.removeItem('ms_username');
                this.$router.push('/login');
            }
        },
        // 侧边栏折叠
        collapseChage() {
            this.collapse = !this.collapse;
            bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        },
        // reload(){
        //     let _this = this;
        //     console.log("外部调用");
        //     console.log("message："+data().message);
        // this.$axios.post('business/getBusinessApply',{})
        //     .then(
        //         function(response) {
        //             // console.log("response:"+response);
        //             // for (let i = 0; i < response.data.length; i++) {
        //             // store.commit('changeMessage',888);
        //             store.commit('changeMessage',response.data);
        //             // }
        //             _this.message = response.data.length;
        //             // console.log("已获取未读消息:"+response.data);
        //             // alert(_this.message);
        //             // console.log("store.state:"+store.state.applies[0].id);
        //         }
        //     ).catch(function(){
        //         console.log("出错了："+erro);
        // })
        // }

    },

    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage();
        }
    },
    /**头部的未读消息提示
     * MrW
     */
    created() {
        this.connect();
        this.getMessage();
    }


};
</script>
<style scoped>
.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
}
.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}
.header .logo {
    float: left;
    width: 250px;
    line-height: 70px;
}
.header-right {
    float: right;
    padding-right: 50px;
}
.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}
.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}
.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}
.btn-bell .el-icon-bell {
    color: #fff;
}
.user-name {
    margin-left: 10px;
}
.user-avator {
    margin-left: 20px;
}
.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}
.el-dropdown-menu__item {
    text-align: center;
}
</style>
